81195510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7989

約数の個数: 64

約数和(自身を含む): 219469824

約数和(自身を除く): 138274314

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2046, 3410, 5115, 7937, 10230, 15874, 23811, 39685, 47622, 79370, 87307, 119055, 174614, 238110, 246047, 261921, 436535, 492094, 523842, 738141, 873070, 1230235, 1309605, 1476282, 2460470, 2619210, 2706517, 3690705, 5413034, 7381410, 8119551, 13532585, 16239102, 27065170, 40597755, 81195510]

約数ペア:

[(1, 81195510), (2, 40597755), (3, 27065170), (5, 16239102), (6, 13532585), (10, 8119551), (11, 7381410), (15, 5413034), (22, 3690705), (30, 2706517), (31, 2619210), (33, 2460470), (55, 1476282), (62, 1309605), (66, 1230235), (93, 873070), (110, 738141), (155, 523842), (165, 492094), (186, 436535), (310, 261921), (330, 246047), (341, 238110), (465, 174614), (682, 119055), (930, 87307), (1023, 79370), (1705, 47622), (2046, 39685), (3410, 23811), (5115, 15874), (7937, 10230)]